LXM32M | Table of contents |
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Table of contents
0198441113843, V1.01, 01.2012
Important information
Table of contents
About this manual
Further reading
1Introduction
2Before you begin - safety information
2.1Qualification of personnel
2.2Intended use
2.3Hazard categories
2.4Basic information
2.5Standards and terminology
3Basics
3.1Modbus TCP technology
3.1.1Function principle
3.1.2Bus topology
3.1.3Client / server model
3.1.4Network service SNMP
3.2Modbus TCP protocol
3.2.1MBAP header
3.3Modbus TCP communication
3.3.1Connection management
3.3.2Modbus response to a Modbus request
3.3.3Reading and writing parameters
3.3.4I/O scanning to "Drive Profile Lexium"
3.3.4.1I/O scanning Output
3.3.4.2I/O scanning Input
3.3.4.3Parameter channel
3.4Modbus services - "Function Code"
3.4.1"Function Code" 3 (Read Multiple Registers)
3.4.2"Function Code" 8 (Diagnostics)
3.4.3"Function Code" 16 (Write Multiple Registers)
3.4.4"Function Code" 23 (ReadWrite Multiple Registers)
3.4.5"Function Code" 43 (Encapsulated Interface Transport)
3.4.6Examples
3.4.6.1Example of "Function Code" 3
3.4.6.2Example of "Function Code" 16
4Installation
2
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